C13223313311212111133133313331323133313331323121111133112323133311   >>    C1322331331121211113313331333132313331333132312111113311232313331   <<    C13223313311212111133133313331323133313331323121111133112323133313   >>      C13223313311212111133133313331323133313331323121111133112323133312   >>